Kev thaij duab thiab kev thaij duab qub
Geertjan Plooijer cov kws yees duab / cov kws kos duab. Nws los ntawm sab qaum teb Friesland hauv Holland tab sis nyob thiab ua haujlwm hauv Mörlunda. Nws tau ua tus kws tshaj lij nyob rau 25 xyoos thiab sau ua haujlwm ua yees duab. Nws ua haujlwm ib nrab digitally thiab ib nrab analog nrog cov koob yees duab loj uas nws tseem xyaum ua cov duab qub.